CN204312096U - The braced structures of intersection between a kind of tunnel transverse passage-way and main hole - Google Patents

The braced structures of intersection between a kind of tunnel transverse passage-way and main hole Download PDF

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Publication number
CN204312096U
CN204312096U CN201420791927.7U CN201420791927U CN204312096U CN 204312096 U CN204312096 U CN 204312096U CN 201420791927 U CN201420791927 U CN 201420791927U CN 204312096 U CN204312096 U CN 204312096U
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China
Prior art keywords
way
arch
shaped steel
transverse passage
tunnel
Prior art date
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CN201420791927.7U
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Chinese (zh)
Inventor
刘文武
雷耀军
王群英
万承茂
祝建周
傅璇
袁昌生
冯振宁
李锟鹏
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中铁二十局集团第二工程有限公司
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Priority to CN201420791927.7U priority Critical patent/CN204312096U/en
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Abstract

The utility model discloses the braced structures of intersection between a kind of tunnel transverse passage-way and main hole, the main hole of transverse passage-way and tunnel of constructing be vertical runs, this braced structures comprises multiple reinforcing bracing frame being supported in the Second-Type steel arch-shelf in main hole, tunnel and being positioned at transverse passage-way, and multiple Second-Type steel arch-shelf is all in parallel laying; Reinforce bracing frame to comprise first shaped steel arch and be supported in the shaped steel door frame outside the first shaped steel arch, the first shaped steel arch and shaped steel door frame are laid on same vertical plane; First shaped steel arch is supported in transverse passage-way, first shaped steel arch comprises arch support and two the first columns, and shaped steel door frame comprises two the second columns, is supported in top rail between two the second column top and multiple vertical supporting post be connected between top rail and arch support together.The utility model structure is simple, reasonable in design and support is convenient, result of use is good, can to the crossing's firm support between tunnel transverse passage-way and main hole.

Description

The braced structures of intersection between a kind of tunnel transverse passage-way and main hole
Technical field
The utility model belongs to technical field of tunnel construction, especially relates to the braced structures of intersection between a kind of tunnel transverse passage-way and main hole.
Background technology
Current, along with the domestic and international high ferro visitor specially development of technology and the needs of social development, major long tunnel construction quantity increases gradually, also more and more higher to the requirement of tunnel construction technology and duration.Transverse passage-way refers to the lateral connection passage between two independent parallel main holes, tunnel, and for the major long tunnel of one-tunnel two-tracks, the quantity of transverse passage-way is more.Carry out in work progress to the one-tunnel two-tracks tunnel that there is transverse passage-way, between transverse passage-way and main hole, the difficulty of construction of crossing is larger, for guaranteeing construction safety, in tunnel excavation process, the braced structures that intersection between transverse passage-way and main hole adopts is most important, and it directly determines the Tunnel stability of crossing.But nowadays, the braced structures neither one that the intersection place between transverse passage-way and main hole adopts is unified and the support scheme of standard, and can be less for the construction information used for reference.Thus, a kind of structure need be designed simple, reasonable in design and support braced structures that is convenient, intersection between result of use is good tunnel transverse passage-way and main hole, firm support can be carried out to the crossing between tunnel transverse passage-way and main hole, and easy accessibility, can not affect greatly the constructing tunnel duration.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, the braced structures of intersection between a kind of tunnel transverse passage-way and main hole is provided, its structure is simple, reasonable in design and support is convenient, result of use is good, can carry out firm support to the crossing between tunnel transverse passage-way and main hole.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the braced structures of intersection between a kind of tunnel transverse passage-way and main hole, the main hole of transverse passage-way and tunnel of constructing be vertical runs, and the excavation height of transverse passage-way is lower than the excavation height in main hole, tunnel, it is characterized in that: this braced structures comprises multiple reinforcing bracing frame being supported in the Second-Type steel arch-shelf in main hole, tunnel and being positioned at transverse passage-way, the structure of multiple described Second-Type steel arch-shelf and size all with tunnel the structure in main hole and longitudinal extension direction that is measure-alike and its main hole along tunnel lay from front to back, multiple described Second-Type steel arch-shelf is all in parallel laying, described reinforcing bracing frame comprises first shaped steel arch and is supported in the shaped steel door frame outside the first shaped steel arch, and described first shaped steel arch and shaped steel door frame are laid on same vertical plane, described first shaped steel arch and shaped steel door frame are all vertical runs with Second-Type steel arch-shelf, described first shaped steel arch is supported in transverse passage-way and it is positioned at the hole place of transverse passage-way, the structure of described first shaped steel arch and size all with the cross-sectional configuration of transverse passage-way and measure-alike, described first shaped steel arch comprises the arch support and two the first columns be supported in respectively below the described arch support left and right sides that are supported in transverse passage-way arch, and described arch support is shape steel bracket, and described first column is shaped steel, described shaped steel door frame comprises two and lays respectively at the second column outside two described first columns, is supported in top rail between two described second column top and multiple vertical supporting post be connected between top rail and described arch support together, described top rail is positioned at directly over described arch support, and described second column, top rail and vertical supporting post are shaped steel, each described Second-Type steel arch-shelf is all fastenedly connected with described reinforcing bracing frame and is integrated.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: described Second-Type steel arch-shelf is formed by multiple arc support section assembling.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: each described Second-Type steel arch-shelf is all fixed on top rail by upper connector.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: described shaped steel door frame also comprises the lower transverse beam be connected to together between two described second column bottom, and described lower transverse beam is that level is laid.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: each described Second-Type steel arch-shelf is all fixed on lower transverse beam by lower connector.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: described arch support is assembled by many i iron, described first column is i iron; Described second column, top rail and vertical supporting post are i iron.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, it is characterized in that: the quantity of described shaped steel door frame is two, the structure of two described shaped steel door frames is all identical with size and the two is in laying side by side, and two described shaped steel door frames are fastenedly connected and are integrated.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, it is characterized in that: the vertical supporting post being positioned at top on the left of described arch support in multiple described vertical supporting post is Left-side support post, and the vertical supporting post being positioned at top on the right side of described arch support in multiple described vertical supporting post is Right side support post, the quantity of described Left-side support post and described Right side support post is multiple, and multiple described Left-side support post and multiple described Right side support post are symmetrically laid.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: the overhead height of described arch support and its top identical with the floor height of top rail is propped up and withstood on top rail.
The braced structures of intersection between above-mentioned a kind of tunnel transverse passage-way and main hole, is characterized in that: described arch support is assembled by multiple arc segment.
The utility model compared with prior art has the following advantages:
1, structure simple, reasonable in design and drop into construction cost lower.
2, support convenient and dismounting is easy, can easy, complete dismounting fast, can not affect greatly the constructing tunnel duration.
3, result of use is good, can carry out firm support to the crossing between tunnel transverse passage-way and main hole, and the braced structures in the main hole of transverse passage-way and tunnel is fastenedly connected and is integrated, and effectively can guarantee the construction safety of transverse passage-way and tunnel Zhu Dong crossing.
In sum, the utility model structure is simple, reasonable in design and support is convenient, result of use is good, can carry out firm support to the crossing between tunnel transverse passage-way and main hole, and easy accessibility, can not affect greatly the constructing tunnel duration.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model reinforces bracing frame.
Description of reference numerals:
1-transverse passage-way; 2-the first shaped steel arch; 3-shaped steel door frame;
3-1-the second column; 3-2-top rail; 3-3-vertical supporting post;
3-4-lower transverse beam; 4-Second-Type steel arch-shelf; Main hole, 5-tunnel;
6-upper connector; 7-lower connector.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the transverse passage-way 1 of constructing with main hole 5, tunnel in vertical runs, and the excavation height of transverse passage-way 1 is lower than the excavation height in main hole 5, tunnel, this braced structures comprises multiple reinforcing bracing frame being supported in the Second-Type steel arch-shelf 4 in main hole 5, tunnel and being positioned at transverse passage-way 1, the structure of multiple described Second-Type steel arch-shelf 4 and size all with tunnel the structure in main hole 5 and longitudinal extension direction that is measure-alike and its main hole 5 along tunnel lay from front to back, multiple described Second-Type steel arch-shelf 4 is all in parallel laying.The shaped steel door frame 3 that described reinforcing bracing frame comprises first shaped steel arch 2 and is supported in outside the first shaped steel arch 2, described first shaped steel arch 2 is laid on same vertical plane with shaped steel door frame 3.Described first shaped steel arch 2 and shaped steel door frame 3 all with Second-Type steel arch-shelf 4 in vertical runs.Described first shaped steel arch 2 is supported in transverse passage-way 1 and it is positioned at the hole place of transverse passage-way 1, the structure of described first shaped steel arch 2 and size all with the cross-sectional configuration of transverse passage-way 1 and measure-alike.Described first shaped steel arch 2 comprises the arch support and two the first columns be supported in respectively below the described arch support left and right sides that are supported in transverse passage-way 1 arch, and described arch support is shape steel bracket, and described first column is shaped steel; Described shaped steel door frame 3 comprises two and lays respectively at the second column 3-1 outside two described first columns, is supported in top rail 3-2 between two described second column 3-1 top and multiple vertical supporting post 3-3 be connected between top rail 3-2 and described arch support together, described top rail 3-2 is positioned at directly over described arch support, and described second column 3-1, top rail 3-2 and vertical supporting post 3-3 are shaped steel.Each described Second-Type steel arch-shelf 4 is all fastenedly connected with described reinforcing bracing frame and is integrated.
In the present embodiment, described Second-Type steel arch-shelf 4 is formed by multiple arc support section assembling.
During practice of construction, each described Second-Type steel arch-shelf 4 is all fixed on top rail 3-2 by upper connector 6.
In the present embodiment, described shaped steel door frame 3 also comprises the lower transverse beam 3-4 between being connected to together bottom two described second column 3-1, and described lower transverse beam 3-4 is that level is laid.
Further, each described Second-Type steel arch-shelf 4 is all fixed on lower transverse beam 3-4 by lower connector 7.
In the present embodiment, described arch support is assembled by many i iron, and described first column is i iron.Described second column 3-1, top rail 3-2 and vertical supporting post 3-3 are i iron.
In the present embodiment, the quantity of described shaped steel door frame 3 is two, and the structure of two described shaped steel door frames 3 is all identical with size and the two is in laying side by side, and two described shaped steel door frames 3 are fastenedly connected and are integrated.Reality carries out propping up immediately to shaped steel door frame 3, needs first dig the hole place of transverse passage-way 1.
Actually add man-hour, the vertical supporting post 3-3 being positioned at top on the left of described arch support in multiple described vertical supporting post 3-3 is Left-side support post, and the vertical supporting post 3-3 being positioned at top on the right side of described arch support in multiple described vertical supporting post 3-3 is Right side support post, the quantity of described Left-side support post and described Right side support post is multiple, and multiple described Left-side support post and multiple described Right side support post are symmetrically laid.
In the present embodiment, described in described shaped steel door frame 3, the quantity of Left-side support post and described Right side support post is three.
During practice of construction, can according to specific needs, the quantity of Left-side support post described in described shaped steel door frame 3 and described Right side support post be adjusted accordingly.
In the present embodiment, the overhead height of described arch support and its top identical with the floor height of top rail 3-2 is propped up and is withstood on top rail 3-2.
In the present embodiment, described arch support is assembled by multiple arc segment.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.

Claims (10)

1. the braced structures of intersection between a tunnel transverse passage-way and main hole, transverse passage-way of constructing (1) and main hole, tunnel (5) in vertical runs, and the excavation height of transverse passage-way (1) is lower than the excavation height in main hole, tunnel (5), it is characterized in that: this braced structures comprises multiple reinforcing bracing frame being supported in the Second-Type steel arch-shelf (4) in main hole, tunnel (5) and being positioned at transverse passage-way (1), the structure of multiple described Second-Type steel arch-shelf (4) and size all with tunnel the structure of main hole (5) and measure-alike and its along tunnel main hole (5) longitudinal extension direction lay from front to back, multiple described Second-Type steel arch-shelf (4) is all in parallel laying, described reinforcing bracing frame comprises first shaped steel arch (2) and is supported in the shaped steel door frame (3) in the first shaped steel arch (2) outside, and described first shaped steel arch (2) and shaped steel door frame (3) are laid on same vertical plane, described first shaped steel arch (2) and shaped steel door frame (3) all with Second-Type steel arch-shelf (4) in vertical runs, described first shaped steel arch (2) is supported in transverse passage-way (1) and it is positioned at the hole place of transverse passage-way (1), the structure of described first shaped steel arch (2) and size all with the cross-sectional configuration of transverse passage-way (1) and measure-alike, described first shaped steel arch (2) comprises the arch support and two the first columns be supported in respectively below the described arch support left and right sides that are supported in transverse passage-way (1) arch, described arch support is shape steel bracket, and described first column is shaped steel, described shaped steel door frame (3) comprises two and lays respectively at the second column (3-1) outside two described first columns, is supported in top rail (3-2) between two described second column (3-1) top and multiple vertical supporting post (3-3) be connected between top rail (3-2) and described arch support together, described top rail (3-2) is positioned at directly over described arch support, and described second column (3-1), top rail (3-2) and vertical supporting post (3-3) are shaped steel, each described Second-Type steel arch-shelf (4) is all fastenedly connected with described reinforcing bracing frame and is integrated.
2. according to the braced structures of intersection between a kind of tunnel transverse passage-way according to claim 1 and main hole, it is characterized in that: described Second-Type steel arch-shelf (4) is formed by multiple arc support section assembling.
3. according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: each described Second-Type steel arch-shelf (4) is all fixed on top rail (3-2) by upper connector (6).
4. according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: described shaped steel door frame (3) also comprises the lower transverse beam (3-4) be connected to together between two described second column (3-1) bottoms, and described lower transverse beam (3-4) is laid in level.
5. according to the braced structures of intersection between a kind of tunnel transverse passage-way according to claim 4 and main hole, it is characterized in that: each described Second-Type steel arch-shelf (4) is all fixed on lower transverse beam (3-4) by lower connector (7).
6. according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: described arch support is assembled by many i iron, described first column is i iron; Described second column (3-1), top rail (3-2) and vertical supporting post (3-3) are i iron.
7. according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: the quantity of described shaped steel door frame (3) is two, the structure of two described shaped steel door frames (3) is all identical with size and the two is in laying side by side, and two described shaped steel door frames (3) are fastenedly connected and are integrated.
8. according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: the vertical supporting post (3-3) being positioned at top on the left of described arch support in multiple described vertical supporting post (3-3) is Left-side support post, and the vertical supporting post (3-3) being positioned at top on the right side of described arch support in multiple described vertical supporting post (3-3) is Right side support post, the quantity of described Left-side support post and described Right side support post is multiple, multiple described Left-side support post and multiple described Right side support post are symmetrically laid.
9. according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: the overhead height of described arch support and its top identical with the floor height of top rail (3-2) is propped up and withstood on top rail (3-2).
10., according to the braced structures of intersection between a kind of tunnel transverse passage-way described in claim 1 or 2 and main hole, it is characterized in that: described arch support is assembled by multiple arc segment.
CN201420791927.7U 2014-12-13 2014-12-13 The braced structures of intersection between a kind of tunnel transverse passage-way and main hole CN204312096U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927233A (en) * 2016-05-31 2016-09-07 中铁第四勘察设计院集团有限公司 Large-span cross aisle building method applied to segmental lining tunnels
CN107975383A (en) * 2017-11-20 2018-05-01 中国电建集团华东勘测设计研究院有限公司 Underground chamber tee T intersection excavation supporting construction method
CN108691546A (en) * 2018-05-29 2018-10-23 中铁十四局集团第二工程有限公司 A kind of Large Span Variable Cross Section tunnel cross section constructing method
CN110617091A (en) * 2019-10-29 2019-12-27 中铁(贵州)市政工程有限公司 Construction method of special-shaped steel arch frame at intersection of existing cavern

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927233A (en) * 2016-05-31 2016-09-07 中铁第四勘察设计院集团有限公司 Large-span cross aisle building method applied to segmental lining tunnels
CN105927233B (en) * 2016-05-31 2018-07-10 中铁第四勘察设计院集团有限公司 Large span transverse passage-way construction method applied to pipe-plate lining tunnel
CN107975383A (en) * 2017-11-20 2018-05-01 中国电建集团华东勘测设计研究院有限公司 Underground chamber tee T intersection excavation supporting construction method
CN107975383B (en) * 2017-11-20 2019-11-08 中国电建集团华东勘测设计研究院有限公司 Underground chamber tee T intersection excavation supporting construction method
CN108691546A (en) * 2018-05-29 2018-10-23 中铁十四局集团第二工程有限公司 A kind of Large Span Variable Cross Section tunnel cross section constructing method
CN108691546B (en) * 2018-05-29 2019-10-22 中铁十四局集团第二工程有限公司 A kind of Large Span Variable Cross Section tunnel cross section constructing method
CN110617091A (en) * 2019-10-29 2019-12-27 中铁(贵州)市政工程有限公司 Construction method of special-shaped steel arch frame at intersection of existing cavern
CN110617091B (en) * 2019-10-29 2021-01-15 中铁十七局集团城市建设有限公司 Construction method of special-shaped steel arch frame at intersection of existing cavern

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